gsm-net-reveng: trau-decode/hr-guts.c annotate

annotate trau-decode/hr-guts.c @ 110:597640501626

trau-decode HR guts: prepare for integration with AMR8 A new investigation program is being developed that needs to decode both classic HR and AMR8 frame types on 8 kbit/s channels. Each side needs to be prepared for coexistence.

author	Mychaela Falconia <falcon@freecalypso.org>
date	Mon, 22 Dec 2025 06:30:43 +0000
parents	e78c6b1ecb91
children

rev	line source
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /*
74 e78c6b1ecb91 trau-decode: refactor trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 73 diff changeset	2 * This module contains the guts of trau-hr-dump program in terms of
e78c6b1ecb91 trau-decode: refactor trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 73 diff changeset	3 * HRv1 frame decoding. It has been factored out to facilitate creation
e78c6b1ecb91 trau-decode: refactor trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 73 diff changeset	4 * of trau-hr-dump-hex version.
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5 */
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 #include <stdio.h>
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8 #include <stdint.h>
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9 #include <stdlib.h>
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10 #include <string.h>
131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	11 #include <strings.h>
28 9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	12 #include "gsmhr_unpack.h"
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	13 #include "osmo_bits.h"
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	14
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	15 /*
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	16 * EFR TRAU parity (also used for HR)
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	17 *
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	18 * g(x) = x^3 + x^1 + 1
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	19 */
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	20 static const struct osmo_crc8gen_code gsm0860_efr_crc3 = {
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	21 .bits = 3,
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	22 .poly = 0x3,
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	23 .init = 0x0,
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	24 .remainder = 0x7,
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	25 };
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	26
110 597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	27 static unsigned
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	28 bits_to_num(bits, nbits)
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	29 ubit_t *bits;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	30 unsigned nbits;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	31 {
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	32 unsigned accum;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	33 unsigned n;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	34
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	35 accum = 0;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	36 for (n = 0; n < nbits; n++) {
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	37 accum <<= 1;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	38 if (*bits)
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	39 accum \|= 1;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	40 bits++;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	41 }
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	42 return accum;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	43 }
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	44
28 9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	45 static int
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	46 bit_parity(bits, nbits)
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	47 ubit_t *bits;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	48 unsigned nbits;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	49 {
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	50 unsigned n, sum;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	51
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	52 sum = 0;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	53 for (n = 0; n < nbits; n++)
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	54 sum += bits[n];
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	55 return sum & 1;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	56 }
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	57
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	58 static void
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	59 bits2bytes(bits, bytes, nbytes)
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	60 ubit_t *bits;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	61 uint8_t *bytes;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	62 unsigned nbytes;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	63 {
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	64 unsigned n, m, acc;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	65
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	66 for (n = 0; n < nbytes; n++) {
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	67 acc = 0;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	68 for (m = 0; m < 8; m++) {
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	69 acc <<= 1;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	70 acc \|= *bits++;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	71 }
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	72 *bytes++ = acc;
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	73 }
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	74 }
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	75
110 597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	76 static void
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	77 print_hr1_speech(frame)
74 e78c6b1ecb91 trau-decode: refactor trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 73 diff changeset	78 ubit_t *frame;
73 06f241846c67 trau-hr-dump: add -r option for raw frame output Mychaela Falconia <falcon@freecalypso.org> parents: 42 diff changeset	79 {
28 9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	80 ubit_t xc_bits[6], dbits[112];
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	81 uint8_t hr_bytes[14];
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	82 int16_t params[18];
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	83 int crc_stat;
27 f508dacf2cf9 trau-decode: new programs dump-1bit and trau-sync8 Mychaela Falconia <falcon@freecalypso.org> parents: 10 diff changeset	84
28 9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	85 bcopy(frame + 14, xc_bits, 2);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	86 bcopy(frame + 18, xc_bits + 2, 4);
110 597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	87 printf(" XC1-XC6: %u%u%u%u%u%u OP %s\n", xc_bits[0], xc_bits[1],
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	88 xc_bits[2], xc_bits[3], xc_bits[4], xc_bits[5],
28 9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	89 bit_parity(xc_bits, 6) ? "good" : "bad");
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	90 bcopy(frame + 22, dbits, 2);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	91 bcopy(frame + 25, dbits + 2, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	92 bcopy(frame + 33, dbits + 9, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	93 bcopy(frame + 41, dbits + 16, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	94 bcopy(frame + 49, dbits + 23, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	95 bcopy(frame + 57, dbits + 30, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	96 bcopy(frame + 65, dbits + 37, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	97 bcopy(frame + 76, dbits + 44, 4);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	98 bcopy(frame + 81, dbits + 48, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	99 bcopy(frame + 89, dbits + 55, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	100 bcopy(frame + 97, dbits + 62, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	101 bcopy(frame + 105, dbits + 69, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	102 bcopy(frame + 113, dbits + 76, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	103 bcopy(frame + 121, dbits + 83, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	104 bcopy(frame + 129, dbits + 90, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	105 bcopy(frame + 137, dbits + 97, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	106 bcopy(frame + 145, dbits + 104, 7);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	107 dbits[111] = frame[153];
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	108 crc_stat = osmo_crc8gen_check_bits(&gsm0860_efr_crc3, dbits, 44,
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	109 frame + 73);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	110 printf(" CRC %s\n", crc_stat ? "bad" : "good");
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	111 bits2bytes(dbits, hr_bytes, 14);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	112 gsmhr_unpack_ts101318(hr_bytes, params);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	113 printf(" R0=%02x LPC=%03x,%03x,%02x Int=%x Mode=%x\n", params[0],
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	114 params[1], params[2], params[3], params[4], params[5]);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	115 printf(params[5] ? " s1=%02x,%03x,%02x" : " s1=%02x,%02x,%02x",
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	116 params[6], params[7], params[8]);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	117 printf(params[5] ? " s2=%x,%03x,%02x" : " s2=%02x,%02x,%02x",
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	118 params[9], params[10], params[11]);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	119 printf(params[5] ? " s3=%x,%03x,%02x" : " s3=%02x,%02x,%02x",
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	120 params[12], params[13], params[14]);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	121 printf(params[5] ? " s4=%x,%03x,%02x\n" : " s4=%02x,%02x,%02x\n",
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	122 params[15], params[16], params[17]);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	123 printf(" C6-C9: %u%u%u%u\n", frame[154], frame[155], frame[156],
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	124 frame[157]);
9bcdb091c24d trau-decode: new program trau-hr-dump Mychaela Falconia <falcon@freecalypso.org> parents: 27 diff changeset	125 printf(" T1=%u T2=%u\n", frame[158], frame[159]);
0 131e0f1972bb beginning of trau-parse program Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	126 }
110 597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	127
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	128 print_gsmhr_frame(frame)
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	129 ubit_t *frame;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	130 {
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	131 unsigned c1_3 = bits_to_num(frame + 9, 3);
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	132 char *desc;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	133
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	134 switch (c1_3) {
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	135 case 0:
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	136 desc = "speech";
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	137 break;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	138 case 1:
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	139 desc = "data";
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	140 break;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	141 case 2:
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	142 desc = "O&M";
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	143 break;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	144 case 7:
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	145 desc = "GCF";
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	146 break;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	147 default:
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	148 desc = "unknown";
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	149 }
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	150 printf(" HR C1-C5: %u%u%u%u%u (%s) OP %s\n", frame[9], frame[10],
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	151 frame[11], frame[12], frame[13], desc,
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	152 bit_parity(frame + 9, 5) ? "good" : "bad");
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	153 /* return number of T bits */
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	154 switch (c1_3) {
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	155 case 0:
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	156 print_hr1_speech(frame);
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	157 return 2;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	158 case 1:
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	159 /* TODO: print data frame */
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	160 return 0;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	161 case 2:
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	162 /* TODO: print O&M frame */
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	163 return 0;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	164 case 7:
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	165 /* TODO: print GCF */
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	166 return 2;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	167 default:
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	168 return 0;
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	169 }
597640501626 trau-decode HR guts: prepare for integration with AMR8 Mychaela Falconia <falcon@freecalypso.org> parents: 74 diff changeset	170 }

FreeCalypso > hg > gsm-net-reveng

annotate trau-decode/hr-guts.c @ 110:597640501626